Viessmann
Viessmann Plate Heat Exchanger 7823858
Plate heat exchanger for domestic hot water in Viessmann Vitodens WB1A combi boilers built between 14.01.2005 and 05.11.2008.
At a glance
- Appliance family: Vitodens WB1A combi
- Also known as 2320044
£187.32
£156.10 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Viessmann 7823858 is a plate heat exchanger used for domestic hot water production in Vitodens WB1A combi boilers. It transfers heat from the boiler's primary circuit to the mains-fed domestic hot water supply. This variant is specified for appliances manufactured from 14.01.2005 until 05.11.2008.
Signs this part needs replacing
- Domestic hot water runs hot then cold, or the outlet temperature fluctuates during draw-off
- Reduced hot water flow rate or pressure at the taps
- Boiler locks out or flags a fault when a hot water tap is opened
- Scale or debris restricting flow through the plate stack
- Weeping or leakage from the plate pack or its seals
Before you order
- Confirm the boiler model against the fitment list above
- Check the appliance manufacture date falls between 14.01.2005 and 05.11.2008
- Verify the part number 7823858 on the component being removed
- Inspect the primary circuit for scale or debris before fitting a new exchanger
Compliance
| Alternative numbers | 2320044 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS WB1A COMBI 24KW | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 24KW SERIAL No. 7179917 | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 30KW | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 30KW SERIAL No. 7179916 | 47-819-05 | 47-819-05 | — | — |
| VIESSMANN VITODENS WB1A COMBI C24KW (7246794) | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI C24KW (7247428) | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI C24KW (7248590) | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI C24KW SERIAL No. 7246794 | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI C24KW SERIAL No. 7247428 | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI C24KW SERIAL No. 7248590 | — | — | — |
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Documents & drawings
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